Gree U-MATCH IV SERIES, Service Manual

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33
U-Match Series DC
Inverter Service Manual
DPOUSPM
F2 Malfunction of condenser temperature sensor
F3 Malfunction of outdoor ambient temperature sensor
F4 Malfunction of discharge temperature sensor
F5 Malfunction wired controller temperature sensor
C5 Wong dial switch of capacity
EE Malfunction of outdoor main control memory chip
PF Malfunction of electric box sensor
H3 Compressor overload protection
H4 Overload protection
H5 IPM protection
H6 Malfunction of DC fan motor
H7 Drive desynchronizing protection
Hc pfc protection
L1 Malfunction of humidity sensor
Lc Start-up failure
Ld Compressor phase protection
LF Power protection
Lp Models of indoor unit and outdoor unit do not match with each other
U7 Direction changing malfunction of 4-way valve
P0 Drive reset protection
P5 Overcurrent protection
P6 Communication malfunction between main control and drive
P7 Malfunction of drive module sensor
P8 High temperature protection of drive module
P9 Zero-cross protection
PA AC current protection
PC Malfunction of drive current
Pd Sensor connection protection
PE Temperature excursion protection
PL Low voltage protection of bus bar
PH High voltage protection of bus bar
PU Charging circuit malfunction
PP Abnormity of input voltage
ee Malfunction of outdoor drive memory chip
When there is a malfunction during operation, error will be displayed on the temperature displaying zone
of LCD. When several malfunctions occur at the same time, these error code will be displayed circularly.
When there is a malfunction, please turn off the unit and ask the professional for maintenance.
For example, E1 means high pressure protection during operation.
Figure 2-6-1